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1698 results about "Monitor unit" patented technology

A monitor unit (MU) is a measure of machine output from a clinical accelerator for radiation therapy such as a linear accelerator or an orthovoltage unit. Monitor units are measured by monitor chambers, which are ionization chambers that measure the dose delivered by a beam and are built into the treatment head of radiotherapy linear accelerators.

Elimination-absorber monitoring system

InactiveUS6246330B1Complicating power requirementEffectively overcome problemBaby linensAlarmsMonitoring systemEngineering
An elimination-absorber monitoring system addresses diaper-monitoring problems with a unique, low cost, multi-layer disposable sensor structure that absorbs small volumes of urine, yet allows most urine volume to flow unimpeded through it, and into the diaper below. When connected with a reusable, miniature monitor/indicator unit, the sensor presents a clear and on-going change of measurement condition upon experiencing a rapid influx into the diaper of a significant volume of urine, and/or upon a significant reduction in the available absorbency of the diaper's top surface. The sensor additionally provides recessed, protected elements for similarly presenting a clear and on-going change in measurement condition upon experiencing the presence of fecal matter. Further provided is the monitor unit employing narrow, widely-spaced, fast rise-time, fast transition-time pulses for conductivity measurement and alarm activation. The monitor and sensor are interconnected and attached to a diaper by particularly effective and unique means, and the monitor is equipped with a highly intuitive and convenient control interface, as well as improved assemblies for the transmission of audible and visual alarm indications. Also described is a convenient test-strip device which, when connected to the monitor/alarm unit of the system, can selectively simulate either a soiled or unsoiled elimination-absorber/sensor for test, caregiver-training or demonstration purposes.
Owner:NIELSEN WYN Y

Portable monitoring unit

A sensor system that provides an adjustable threshold level for the sensed quantity is described. The adjustable threshold allows the sensor to adjust to ambient conditions, aging of components, and other operational variations while still providing a relatively sensitive detection capability for hazardous conditions. The adjustable threshold sensor can operate for extended periods without maintenance or recalibration. A portable monitoring unit working in communication with the sensor system provides immediate communication of conditions detected by the sensors. The portable monitoring unit allows building or complex management to be in communication with a sensor system at all times without requiring someone to be physically present at a monitoring site. The portable monitoring unit can be equipped with an auditory device for alerting management or a screen for displaying pertinent information regarding an occurring situation so that management can quickly identify and resolve the problem. In addition, the portable monitoring unit can also be equipped with function keys that allow the portable monitoring unit to send instructions back to the sensor system. In one embodiment, the portable monitoring unit also includes a second transceiver for communications over a short wave radio frequency, or with a cellular phone system.
Owner:GOOGLE LLC

Elimination - absorber monitoring system

An elimination-absorber monitoring system addresses diaper-monitoring problems with a unique, low cost, multi-layer disposable sensor structure that absorbs small volumes of urine, yet allows most urine volume to flow unimpeded through it, and into the diaper below. When connected with a reusable, miniature monitor/indicator unit, the sensor presents a clear and on-going change of measurement condition upon experiencing a rapid influx into the diaper of a significant volume of urine, and/or upon a significant reduction in the available absorbency of the diaper's top surface. The sensor additionally provides recessed, protected elements for similarly presenting a clear and on-going change in measurement condition upon experiencing the presence of fecal matter. Further provided is the monitor unit employing narrow, widely-spaced, fast rise-time, fast transition-time pulses for conductivity measurement and alarm activation. The monitor and sensor are interconnected and attached to a diaper by particularly effective and unique means, and the monitor is equipped with a highly intuitive and convenient control interface, as well as improved assemblies for the transmission of audible and visual alarm indications. Also described is a convenient test-strip device which, when connected to the monitor/alarm unit of the system, can selectively simulate either a soiled or unsoiled elimination-absorber/sensor for test, caregiver-training or demonstration purposes.
Owner:NIELSEN WYN Y

Portable monitoring unit

A sensor system that provides an adjustable threshold level for the sensed quantity is described. The adjustable threshold allows the sensor to adjust to ambient conditions, aging of components, and other operational variations while still providing a relatively sensitive detection capability for hazardous conditions. The adjustable threshold sensor can operate for extended periods without maintenance or recalibration. A portable monitoring unit working in communication with the sensor system provides immediate communication of conditions detected by the sensors. The portable monitoring unit allows building or complex management to be in communication with a sensor system at all times without requiring someone to be physically present at a monitoring site. The portable monitoring unit can be equipped with an auditory device for alerting management or a screen for displaying pertinent information regarding an occurring situation so that management can quickly identify and resolve the problem. In addition, the portable monitoring unit can also be equipped with function keys that allow the portable monitoring unit to send instructions back to the sensor system. In one embodiment, the portable monitoring unit also includes a second transceiver for communications over a short wave radio frequency, or with a cellular phone system.
Owner:GOOGLE LLC

Wearable intelligent hand ring and method for continuously monitoring human body physiological signs

The invention discloses a wearable intelligent hand ring and method for continuously monitoring human body physiological signs. The intelligent hand ring comprises a hand ring body; a monitoring circuit is embedded in the hand ring body; the monitoring circuit comprises a main control unit and multiple monitoring units; each monitoring unit monitors the various human body physiological signs which are processed by a main control unit. The wearable intelligent hand ring and method for the continuously monitoring the human body physiological signs have the following beneficial effects of integrating multiple sensing circuits, being capable of collecting multiple human body physiological signs and realizing the parallel processing on various collected data; the collected human body physiological signs are analyzed by adopting a unique data analysis method, so the human body healthy condition can be comprehensively accurately obtained; a user can regularly start the monitoring function by triggering of one hand or controlling of the main control unit, and the need that the human body physiological signs of the user are monitored anytime anyplace for 24 hours is met; the intelligent hand ring is provided with a wireless communication unit, and data synchronization can be performed between the intelligent hand ring and a mobile terminal, so the user can learn the physiological signs and the healthy condition in real time.
Owner:YUEXIANG QUSHI TECH BEIJING

Building information total management system and method

InactiveCN102063116ARealize integrated all-round managementRealize all-round managementProgramme total factory controlGas supply equipmentPublic infrastructure
The invention discloses a building information total management system and method. The system comprises a fire control linkage monitoring unit, a public infrastructure monitoring unit, a security monitoring unit, a water and gas leakage monitoring unit, an environment quality monitoring unit, a management controlling unit, a core processing unit and an alarm managing unit, wherein the fire control linkage monitoring unit is used for obtaining smoke and fire detection information; the public infrastructure monitoring unit is used for obtaining working state information of public infrastructures; the security monitoring unit is used for obtaining monitoring data of security monitoring equipment; the water and gas leakage monitoring unit is used for obtaining detection information for representing water/gas leakage of water/gas supply equipment; the environment quality monitoring unit is used for obtaining environment quality detection information; the management monitoring unit is used for receiving a control command of a user and sending the control command to the core processing unit; the core processing unit is used for forwarding the detection information of the monitoring/detection unit and alarm information to the management monitoring unit and forwarding the control command of the management controlling unit to an appointed monitoring/detecting unit to control corresponding building equipment to operate; and the alarm managing unit is used for selecting an alarm mode according to the event grade of the alarm information.
Owner:海南义利达高新技术实业有限公司

Household electrical appliance maintenance system and household electrical appliance with self-checking function

The invention discloses a household electrical appliance maintenance system and a household electrical appliance with a self-checking function. The system disclosed by the invention comprises a household electrical appliance and a remote server, wherein the household electrical appliance comprises a hardware self-checking unit, an operation monitoring unit and a data finishing unit; the hardware self-checking unit is used for starting a self-checking program to check the hardware data of the household electrical appliance; the operation monitoring unit is used for detecting the operating data of the household electrical appliance; the data finishing unit is used for obtaining the hardware data from the hardware self-checking unit, obtaining the operating data from the operation monitoring unit and determining the abnormal data by comparing the hardware data and the operating data with preset normal data; the remote server comprises a data analysis unit and a maintenance determining unit; the data analysis unit is used for analyzing the abnormal data provided by a fault data finishing unit in the household electrical appliance to determine the operating state of the household electrical appliance; and the maintenance determining unit is used for providing a maintenance scheme with pertinence according to the operating state of the household electrical appliance which is determined by the data analysis unit. The household electrical appliance maintenance system disclosed by the invention can predict potential hidden dangers and alarm a user in time before the household electrical appliance has a fault, and provide the maintenance scheme with pertinence as long as the household electrical appliance has a fault.
Owner:HISENSE VISUAL TECH CO LTD

Single-phase grounding fault detection and positioning method and system for low-current grounding power distribution network

Power distribution networks of countries such as China and the like mainly adopt a low-current grounding method. Most faults of the low-current grounding power distribution networks are single-phase high-resistance grounding faults and low amplitude of transient capacitive current signals, short duration, and high detection difficulty are generated in a fault process so that an effective fault detection and positioning system is lacked. The invention discloses a fault detection and positioning method and system for a low-current grounding power distribution network. The system includes feeder line monitoring units, a communication terminal and a system master station. A feeder line monitoring unit wirelessly and synchronously triggers the other two phases to transmit data after a suspected grounding fault is detected. The system master station and the communication terminal adopt GPS time service. The communication terminal and the feeder line monitoring units carry out time hack through a time division multiplexing wireless communication network. The system master station collects three-phase feeder line monitoring unit data at a plurality of points through the communication terminal and detects and positions a grounding fault according to calculated zero-sequence voltage and zero-sequence current and issues a fault signal to feeder line monitoring units in front of a fault point on a fault phase so as to carry out fault indication.
Owner:BEIJING INHAND NETWORKS TECH
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